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   <div id="projectname">BrokenIRC
   &#160;<span id="projectnumber">0.0.42</span>
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   <div id="projectbrief">A &#39;not so functionnal&#39; irc server and a WIP client</div>
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<a href="client_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">** EPITECH PROJECT, 2018</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">** MY_IRC</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">** File description:</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">** my_irc client main source file</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">*/</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;</div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &lt;stdio.h&gt;</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &lt;stdlib.h&gt;</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &lt;errno.h&gt;</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#include &lt;string.h&gt;</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &lt;netdb.h&gt;</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &lt;sys/types.h&gt;</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &lt;netinet/in.h&gt;</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="preprocessor">#include &lt;sys/socket.h&gt;</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#include &lt;unistd.h&gt;</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div><div class="line"><a name="l00018"></a><span class="lineno"><a class="line" href="client_8c.html#a636f60082ffc09ccbb4a56f76d3d584d">   18</a></span>&#160;<span class="keywordtype">void</span> *<a class="code" href="client_8c.html#a636f60082ffc09ccbb4a56f76d3d584d">set_iface</a>(<span class="keyword">struct</span> sockaddr_in *addr, <span class="keywordtype">int</span> server_port,</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;        <span class="keyword">struct</span> hostent *he, <span class="keywordtype">int</span> sockfd)</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;{</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;        addr-&gt;sin_family = AF_UNSPEC;</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;        addr-&gt;sin_port = htons(server_port);</div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;        addr-&gt;sin_addr = *((<span class="keyword">struct </span>in_addr *)he-&gt;h_addr);</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;        bzero(&amp;(addr-&gt;sin_zero), 8);</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;        <span class="keywordflow">if</span> (server_port == -1 || connect(sockfd,</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;                (<span class="keyword">struct</span> sockaddr *)&amp;addr, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> sockaddr)) == -1) {</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;                perror(<span class="stringliteral">&quot;connect&quot;</span>);</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;                exit(1);</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;        } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;                <span class="keywordflow">return</span> addr;</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;        }</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;}</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="client_8c.html#a5796b82e83d29fbaf258b6233167a2f0">   35</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="client_8c.html#a5796b82e83d29fbaf258b6233167a2f0">cli_loop</a>(<span class="keywordtype">int</span> sockfd)</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;{</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;        <span class="keywordtype">int</span> numbytes = 0;</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;        <span class="keywordtype">char</span> buf[1024];</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;        <span class="keywordflow">while</span> (1) {</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;                <span class="keywordflow">if</span> (send(sockfd, <span class="stringliteral">&quot;Hello, world!\n&quot;</span>, 14, 0) == -1){</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;                        perror(<span class="stringliteral">&quot;send&quot;</span>);</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;                        exit (84);</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;                }</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;                printf(<span class="stringliteral">&quot;After the send function \n&quot;</span>);</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;                numbytes = recv(sockfd, buf, 1024, 0);</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;                <span class="keywordflow">if</span> (numbytes == -1) {</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;                        perror(<span class="stringliteral">&quot;recv&quot;</span>);</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;                }</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;                buf[numbytes] = <span class="charliteral">&#39;\0&#39;</span>;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;                printf(<span class="stringliteral">&quot;Received in pid = %d, text = : %s \n&quot;</span>, getpid(), buf);</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;                sleep(1);</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;        }</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;}</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="client_8c.html#a0c99d968a34e803d378692bde2e3f18f">   56</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="client_8c.html#a0c99d968a34e803d378692bde2e3f18f">main</a>(<span class="keywordtype">int</span> ac, <span class="keywordtype">char</span> **av)</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;{</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;        <span class="keywordtype">int</span> sockfd;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;        <span class="keywordtype">int</span> server_port;</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;        <span class="keyword">struct </span>hostent *he;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;        <span class="keyword">struct </span>sockaddr_in their_addr;</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;        <span class="keywordflow">if</span> (ac != 3) {</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;                fprintf(stderr, <span class="stringliteral">&quot;Usage: %s [host] [port]\n&quot;</span>, av[0]);</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;                exit(84);</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;        }</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;        he = gethostbyname(av[1]);</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;        <span class="keywordflow">if</span> (he == NULL) {</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;                exit(84);</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;        }</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;        sockfd = socket(AF_INET, SOCK_STREAM, 0);</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;        <span class="keywordflow">if</span> (sockfd == -1) {</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;                perror(<span class="stringliteral">&quot;socket&quot;</span>);</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;                exit(84);</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        }</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;        server_port = atoi(av[2]);</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        <a class="code" href="client_8c.html#a636f60082ffc09ccbb4a56f76d3d584d">set_iface</a>(&amp;their_addr, server_port, he, sockfd);</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;        <a class="code" href="client_8c.html#a5796b82e83d29fbaf258b6233167a2f0">cli_loop</a>(sockfd);</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;        close(sockfd);</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;        <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;}</div><div class="ttc" id="client_8c_html_a636f60082ffc09ccbb4a56f76d3d584d"><div class="ttname"><a href="client_8c.html#a636f60082ffc09ccbb4a56f76d3d584d">set_iface</a></div><div class="ttdeci">void * set_iface(struct sockaddr_in *addr, int server_port, struct hostent *he, int sockfd)</div><div class="ttdef"><b>Definition:</b> <a href="client_8c_source.html#l00018">client.c:18</a></div></div>
<div class="ttc" id="client_8c_html_a0c99d968a34e803d378692bde2e3f18f"><div class="ttname"><a href="client_8c.html#a0c99d968a34e803d378692bde2e3f18f">main</a></div><div class="ttdeci">int main(int ac, char **av)</div><div class="ttdef"><b>Definition:</b> <a href="client_8c_source.html#l00056">client.c:56</a></div></div>
<div class="ttc" id="client_8c_html_a5796b82e83d29fbaf258b6233167a2f0"><div class="ttname"><a href="client_8c.html#a5796b82e83d29fbaf258b6233167a2f0">cli_loop</a></div><div class="ttdeci">int cli_loop(int sockfd)</div><div class="ttdef"><b>Definition:</b> <a href="client_8c_source.html#l00035">client.c:35</a></div></div>
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